Then Rep. Gary Peters, who is the running for the U.S. Senate in Michigan, went all-in Friday, having his lawyers send a letter to a Michigan television station citing the Post in demanding that AFP provide more evidence that Obamacare is as terrible as it really is. Mr. Peters’ lawyers wrote that “Unlike federal candidates, independent political organizations” — and by extension, Ms. Boonstra — don’t have a “right to command use of broadcast facilities.” They clinched with a threat that airing the ad could “be cause for the loss of a station’s license.”